Inter-Vlan ACL

Hi all

I'm having some trouble getting the ACL work they way I want. I have a lot of clients in differnet VLAN (vlan 6-10) and my ASA (10.1.99.254) on vlan 99 for internet access. I need VLAN 6-10, to have access to the ASA for internet, but VLAN 6-10 should not have access to the other. For the moment, I do apply the access group of rules in the directon out on the vlan 6 SVI.

VLAN 6-10.2.1.0/24

VLAN 7-10.2.2.0/24

VLAN 8-10.2.3.0/24

VLAN 9-10.2.4.0/24

I tried

10 permit ip 10.1.99.254 0.0.0.255 10.2.0.0 0.0.255.255

20. denying a whole

I could do a ping of the ASA and made was not able to access the other vlan. However, I also don't no matter what internet access. DNS responses are not passed without traffic ICMP passed the ASA.

The switch is a 3560G

Any help would be appreciated.

Robert

The acl should not prevent the devices in the same vlan talk to each other, it will stop devices outside of this vlan only so what you see is not good.

Regarding your general question, usually you use inbound ACL on the source rather than outgoing ACL on the destination VLAN vlan. You can use either but blocking the packets at the source is the most common approach.

So if I understand correctly, you need to block all traffic between any vlan 10.2.x.x/24 subnet?

If so and you are not bothered on the specification of the source IP subnet in each acl.

extended IP access list

deny ip any 10.2.0.0 0.0.255.255

allow an ip

int vlan 10

IP access-group to

So let's say vlan 10 is 10.2.5.0/24. What the foregoing, block any package from clients in the vlan 10 with a IP address of destination of 10.2.x.x. All other packets will be allowed. This same acl could apply to all L3 10.2.x.x VLAN interfaces.

Note that, in the acl, I used the source of everything rather than "10.2.5.0 0.0.0.255. This is because with 'all' the same acl could be applied to all the 10.2.x.x VLAN entering without any modification. You can if you want to be more specific to a specific acl for each vlan that is to say. for the same example above.

extended IP access list

deny ip 10.2.5.0 0.0.0.255 10.2.0.0 0.0.255.255

IP 10.2.5.0 allow 0.0.0.255 any

It would be more specific and would stop to any client no 10.2.5.x on this vlan to send packets, but most of communication would not work in all cases that the return should not would be routed packets properly to the customer.  But like I said this makes the unique acl to the vlan specific so you would need different ACLs by vlan.

A few additional points-

(1) if clients use DHCP and the DHCP server is a 10.2.x.x device that you need to allow that, before the line to deny

(2) customers will not be able to ping to their default gateway, that is to say the interface vlan L3. This isn't a problem because the destination IP address is never usually the interface vlan L3, but if you want to be able to do you need an online permit before the line to refuse. Also note that this means that your acl would be different for each vlan, IP because of the vlan L3 is different by vlan

(3) If you use the same real acl for each interface vlan all hits on the acl will be for all the VLANS so you will not be able to see visits by vlan. This may or may not be important to you. Often, this is why you see unique ACL (in terms of number or name but not necessarily input) use. If you do not want to see the visits by vlan and then simply to reproduce the acl, but with a new name by acl (assuming that you go with the ability to use 'everything' in your ACL).

Hope all that makes sense. Doubts please ask for more.

Jon

Tags: Cisco Network

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    Please mark replied messages useful

  • SG 300 - Inter VLAN

    Salvation of the forumers

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    CLI v1.0
    router adjustment system mode

    SSD of encrypted file indicator
    @
    SSD-control-start
    config of SSD
    control of password file unrestricted SSD
    no control of the integrity of the file ssd
    SSD-control-end cb0a3fdb1f3a1af4e4430033719968c0
    !
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    output
    Add a voice vlan Yes-table 0001e3 Siemens_AG_phone___
    Add a voice vlan Yes-table 00036 b Cisco_phone___
    Add a voice vlan Yes-table 00096e Avaya___
    Add a voice vlan Yes-table 000fe2 H3C_Aolynk___
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    Hello interface range vlan 1
    hostname SG300-52
    username privilege 15 c464af817287343305cbd6493c593885695df531 encrypted password cisco
    property intellectual ssh server
    Server SNMP Server
    The telnet server IP
    !
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    Hi Anthena1390

    My email is [email protected] / * /. When you reply to the email can let me know which devices need to communicate on VLAN 99. Is there a major reason for SG300 happen DHCP assumes that your router? Well I would like to add a few screenshots, they will show you how to properly set up a P2p link, assign DHCP pools, how to correctly add default routes. Send an email and lets get your problem is resolved.

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    Vlaminck

    ---------------------------------------------------------------------------

    Support information:

    Screenshots:
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    (Ditto)

    Hello

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    Remember messages useful rate.

  • Problem with routing inter - VLAN... How to solve it?

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    VLAN 1: default gateway should be 10.148.145.97

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  • Inter vlan routing on a Cisco SF 300-24 port switch only no internet except when scanning with wireshark

    Hello

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    If I have computer scanner a wireshark wirh internet starts working wheird!

    Show the configuration below:

    switch7c0a71 #show run

    database of VLAN

    VLAN 2

    output

    Add a voice vlan Yes-table 0001e3 Siemens_AG_phone___

    Add a voice vlan Yes-table 00036 b Cisco_phone___

    Add a voice vlan Yes-table 00096e Avaya___

    Add a voice vlan Yes-table 000fe2 H3C_Aolynk___

    Add a voice vlan Yes-table 0060 b 9 Philips_and_NEC_AG_phone

    Add a voice vlan Yes-table 00d01e Pingtel_phone___

    VLAN voice Yes-table add Polycom/Veritel_phone___ 00e075

    Add a voice vlan Yes-table 00e0bb 3Com_phone___

    interface vlan 2

    IP 192.168.1.1 255.255.255.0

    output

    interface vlan 1

    IP 192.168.111.217 255.255.255.0

    output

    IP route 0.0.0.0 0.0.0.0 192.168.111.254

    interface vlan 1

    no ip address dhcp

    output

    Hello interface range vlan 1

    hostname switch7c0a71

    No complexity of passwords allow

    No server snmp Server

    interface fastethernet1

    switchport mode access

    output

    interface fastethernet2

    switchport mode access

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    interface fastethernet3

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    interface fastethernet4

    switchport mode access

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    interface fastethernet5

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    fastethernet6 interface

    switchport mode access

    output

    interface fastethernet7

    switchport mode access

    output

    interface fastethernet8

    switchport mode access

    output

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    switchport mode access

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    switchport mode access

    output

    interface fastethernet11

    switchport mode access

    output

    interface fastethernet12

    switchport mode access

    output

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    switchport mode access

    output

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    switchport mode access

    output

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    switchport mode access

    output

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    VLAN allowed switchport General add 2 unidentified

    output

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    switchport mode general

    VLAN allowed switchport General add 2 unidentified

    output

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    switchport mode general

    VLAN allowed switchport General add 2 unidentified

    output

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    switchport mode general

    VLAN allowed switchport General add 2 unidentified

    output

    interface fastethernet21

    switchport mode general

    VLAN allowed switchport General add 2 unidentified

    output

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    switchport mode general

    VLAN allowed switchport General add 2 unidentified

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    switchport mode general

    VLAN allowed switchport General add 2 unidentified

    output

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    VLAN allowed switchport General add 2 unidentified

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    interface vlan 2

    name of development

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    Hi Richard,

    43 - permit Protocol: any / all

    42 - Protocol deny EVERYTHING 192.168.2.0 0.0.0.255-> to 192.168.111.0 0.0.0.255

    41 - Protocol to deny ALL 192.168.111.0 0.0.0.255-> to 192.168.2.0 0.0.0.255

    40 allow the RDP Protocol TO ALL

    etc.

    To block everything, including MSSQL, with the exception of the RDP and other ports that you defined above.  The other defined are simply not the RDP Protocol and service work?

    Richard, do note useful messages and identify the right answers.

    Best,

    David

  • RV110W inter-VLAN-routing is not possible

    In Cisco RV110W, I set up 2 VLANS, a 192.168.1.xxx (Green Net) and the second with only a fixed address 192.168.2.100 192.168.2.xxx (Server), which is configured in the DMZ area. I enabled in Cisco "inter-VLAN-Routing", described "routing between separate VLANs on Cisco RV110W" I can Ping the server in a direktion, the other I got an error. It is just expected and ok! All other abilities expected work well!

    Now, I want to see the Green network server. (firewall on the server is off)

    I configured the network/router with exactly the values of the index and has been an error: "destination LAN IP may not be the same as the router's IP subnet.

    Sorry, I don't understand this. Can anyone help?

    Thank you in anticipation

    Anton

    If I understand correctly, you have a second vlan, 192.168.2.x. The RV110W is a member of this subnet so that's why we do not have a static route for something that the router knows that she welcomes this subnet.

    -Tom
    Please evaluate the useful messages

  • EMS 2010 routing problem inter vlan

    OK, back to the base, I tried to install complicated things that did not work so now, I'm leaving the base.

    I am trying to configure my SGE2010 48 ports Gigabit cisco / switch for routing inter - vlan.

    so far, I put the mode switch layer 3 from the telnet console and rebooted, it.

    entered the interface web and changed the ip of the vlan by default management 192.168.2.3

    added the vlan 70 and vlan bridging 180, section of mangement of vlan

    under the IP, IPv4 interface address, I've added the IP address for each virtual local area network as follows:

    IP Interface Mask

    192.168.70.3 255.255.255.0 VLAN 70

    192.168.180.3 255.255.255.0 VLAN 180

    then I went in transition, management of VLANs, vlan to the port:

    set the port g1 get access to the vlan 70

    sets the g2 as an access port for vlan 180

    connected A computer to port g1 with static IP 192.168.70.200 mask 255.255.255.0 Gateway 192.168.70.3

    connected computer B to port g2 with static IP 192.168.180.180 mask 255.255.255.0 Gateway 192.168.180.3

    I'll then in the routing static routing: I see the 192.168.70.0 destination IP address 24 as a type of local railway and even for 192.168.180.0 24 as the type of local railway

    on a computer, I ping the gateway 192.168.70.3 and it works

    on computer B, I ping the gateway 192.168.180.3 and it works

    problem is that they cannot ping each other, windows firewall is disabled on both computers.

    If I do a tracert on any of the computer he reach the gateway by default but then expire on the second jump.

    any suggestions what I could have done wrong and the solution to the problem would be appreciated.

    Edit: Here's the running configuration if it helps:

    Cisco-SGE2010 # show running-config

    database of VLAN

    VLAN 70 180

    output

    g ethernet serial interface (1.26)

    switchport access vlan 70

    output

    interface ethernet g2

    switchport access vlan 180

    output

    interface vlan 70

    printer name

    output

    interface vlan 180

    name wireless

    output

    interface vlan 1

    IP 192.168.2.3 address 255.255.255.0

    output

    interface vlan 70

    IP 192.168.70.3 255.255.255.0

    output

    interface vlan 180

    IP 192.168.180.3 255.255.255.0

    output

    Cisco-SGE2010 hostname

    location of the Server SNMP here

    SNMP Server contact me

    Cisco-SGE2010 #.

    If you can test both the interface switches the routing works correctly. You need to maybe turn off the Windows Firewall or open the firewall to allow ICMP to a different subnet. Windows Vista and 7 by default will block ICMP from any other subnet then their own.

    Cisco Small Business Support Center

    Randy Manthey

    CCNA, CCNA - security

  • Problem of trunking routing\802.1 Q inter - VLAN SGE2000P - Cisco 2821

    I am to evaluate the EMS and is unable to get routing inter - VLAN to work on aid and the external router via a 802. 1 q trunk. I have a 2821 with 3 secondary interfaces and I use the VLAN 1 as the VLAN native. G0/0 on router is connected to the port of G1 to the port of the EMS. I can create a VLAN and devices in the VLANs can reach devices in their VLAN respective, but they can't get the router IP address to access the other subnets. Currently I have the port connected to the configuration of the router, as a trunk by using VLAN 1, which is not marked. The EMS has the latest firmware and I tried some types of access ports, general & trunk, changed the PVID, nothing has worked for the other ports on the switch. What would have taken two minutes on a Cisco Configuration switch left flabbergasted me, it could be a defective switch? I was not able to find documentation or examples of this configuration scenario.

    For reference, config the router interface:

    G0/0.1

    encapsulation dot1q 1 native

    IP 1.1.1.1 255.255.255.0

    G0/0.2

    encapsulation dot1q 2

    2.2.2.1 IP address 255.255.255.0

    G0/0.3

    encapsulation dot1q 3

    3.3.3.1 IP address 255.255.255.0

    Any help\direction is appreciated.

    Thank you

    Burt

    Burt Hello, good evening,

    Have you included the VLAN 2 and 3 on the trunk port and ensured that they are labeled?  It should be set to tagged.  The Web interface can be confusing with this config / operation.

    Please check this and let me know, and if necessary I'll lab this for you as well.  Please let me know,

    Andrew

  • VLAN ACL M4100

    Dear Sir

    We want to create an access list to isolate our Wifi network invited all the other vlan.
    When I do, diseapper of the other SSID of our laptops.

    I applied to the access list to our direction to SVI comments in

    ! Description of the system "M4100 - 24 G - POE + ProSafe 24 port Gigabit L2 + Managed Switch w ith PoE +, 10.0.2.13, B1.0.1.1"
    ! Version of the software system "10.0.2.13".
    ! System Up Time "28 days 22 hours 39 minutes 58 seconds"
    ! Other packets QOS, IPv6, routing
    ! Current SNTP synchronized time: SNTP last attempt status is not successful
    !
    database of VLAN
    VLAN 99 200-208 455-456 999
    VLAN 99 name 'TEST '.
    name of VLAN 200 'Clients '.
    name of VLAN 201 "Telefonie.
    name of VLAN 202 "guest."
    name of VLAN 203 'fr '.
    the name of VLAN 204 "TD."
    VLAN name 205 "DMZ".
    VLAN name 206 'printers '.
    VLAN name 207 'media '.
    VLAN 208 name 'Wireless '.
    VLAN name 999 "3com".
    VLAN 1 1 routing
    -Other - or ITU (q)
    VLAN 200 2 routing
    VLAN 201 3 routing
    VLAN routing 202 4
    VLAN routing 5 203
    VLAN routing 204 6
    VLAN routing 205 7
    VLAN routing 206 8
    VLAN routing 9 207
    VLAN routing 10 208
    VLAN routing 11 455
    VLAN routing 12 456
    VLAN routing 99 13
    output

    network mgmt_vlan 203
    IP http secure server
    Configure
    time range
    default IP gateway - 10.253.255.1
    level of 483f42190380e8780a9d32a3c63d31b86d6ad49b870db8306af86a9ce3e06cd9a39f66e666e86f0aaab777b0ab9fe571908247c31d904463d1a0767400f8e763 user name 'admin' password encrypted 15
    level password user name "secit" encrypted 15 912ba98d721224814ea15db6dec1701819e75dfcafa635831e9eab148c105c20ba85dc61882dd47a65eb66dff6cf0005a1a2232b6957ec898cd6187c6bdbb510
    line console
    output
    -Other - or ITU (q)

    line telnet
    output

    ssh line
    output

    spanning tree bpduguard

    !

    IP access-list ACL_Wizard_IPv4_0
    output

    IP access-list Deny_Guest_Intervlan_Routing
    deny ip 10.253.2.0 0.0.0.255 10.253.0.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.1.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.3.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.4.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.5.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.6.0 0.0.0.255
    -Other - or ITU (q)
    deny ip 10.253.2.0 0.0.0.255 10.253.7.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.8.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.9.0 0.0.0.255
    deny ip 10.253.2.0 0.0.0.255 10.253.11.0 0.0.0.255
    IP 10.253.2.0 allow 0.0.0.255 0.0.0.0 0.0.0.0
    output

    class-map correspondence ClassVoiceVLAN ipv4
    game of vlan 201
    output

    Policy-map PolicyVoiceVLAN in
    class ClassVoiceVLAN
    Assign-queue 3
    output

    output

    interface 0/1
    Description "ACCESSPORTS.
    participation of VLAN include 200-201
    VLAN tagging 201
    -Other - or ITU (q)
    output

    interface 0/2
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 1000000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/3
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201 204
    VLAN tagging 201
    -Other - or ITU (q)
    IP mtu 1500
    output

    interface 0/4
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/5
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 1000000
    pvid VLAN 99
    participation of VLAN include 99 200 - 201
    -Other - or ITU (q)
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/6
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/7
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    Description "ACCESSPORTS.
    pvid VLAN 203
    -Other - or ITU (q)
    participation of VLAN include 200-201
    VLAN tagging 201
    output

    0/8 interface
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/9
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    -Other - or ITU (q)
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/10
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/11
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    -Other - or ITU (q)
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/12
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/13
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    -Other - or ITU (q)
    bandwidth 100000
    pvid VLAN 200
    VLAN automatic participation 1
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/14
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    VLAN automatic participation 1
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    -Other - or ITU (q)
    interface 0/15
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    VLAN automatic participation 1
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/16
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 202
    VLAN automatic participation 1
    participation of VLAN include 201-202
    VLAN tagging 201
    IP mtu 1500
    output
    -Other - or ITU (q)

    interface 0/17
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 200
    participation of VLAN include 200-201
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/18
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 203
    participation of VLAN include 200-201 203
    VLAN tagging 201
    IP mtu 1500
    -Other - or ITU (q)
    output

    interface 0/19
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 206
    VLAN automatic participation 1
    participation of VLAN include 201 206
    VLAN tagging 201
    IP mtu 1500
    output

    interface 0/20
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 999
    participation of VLAN include 200-201 204-207 455-456 999
    -Other - or ITU (q)
    VLAN tagging 200-201 204-207 455-456
    IP mtu 1500
    output

    interface 0/21
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    pvid VLAN 455
    VLAN automatic participation 1
    participation of VLAN include 200-204 455-456
    VLAN tagging 200-204
    IP mtu 1500
    output

    interface 0/22
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    -Other - or ITU (q)
    switchport mode trunk
    switchport trunk vlan native 456
    pvid VLAN 456
    VLAN automatic participation 1
    participation of VLAN include 200-204 456
    VLAN tagging 200-204
    IP mtu 1500
    output

    interface 0/23
    VLAN 201 votes
    policy - PolicyVoiceVLAN
    bandwidth 100000
    switchport mode trunk
    switchport trunk vlan native 456
    pvid VLAN 456
    participation of VLAN include 200-204 456
    VLAN tagging 200-204
    IP mtu 1500
    output

    -Other - or ITU (q)

    interface 0/24
    bandwidth 100000
    switchport mode trunk
    switchport trunk vlan native 999
    pvid VLAN 999
    participation of VLAN include 200-208 455-456 999
    VLAN tagging 200-207 455-456
    IP mtu 1500
    output

    interface vlan 1
    Routing
    DHCP IP address
    output

    interface vlan 200
    Routing
    -Other - or ITU (q)
    IP 10.253.0.1 255.255.255.0
    output

    interface vlan 201
    Routing
    IP 10.253.1.1 255.255.255.0
    output

    interface vlan 202
    Routing
    IP 10.253.2.1 255.255.255.0
    IP access-group Deny_Guest_Intervlan_Routing vlan 202 in
    output

    interface vlan 203
    Routing
    IP 10.253.3.1 255.255.255.0
    output
    -Other - or ITU (q)

    interface vlan 204
    Routing
    IP 10.253.4.1 255.255.255.0
    output

    interface vlan 205
    Routing
    IP 10.253.5.1 255.255.255.0
    output

    interface vlan 206
    Routing
    IP 10.253.6.1 255.255.255.0
    output

    -Other - or ITU (q)

    interface vlan 207
    Routing
    IP 10.253.7.1 255.255.255.0
    output

    interface vlan 208
    Routing
    IP 10.253.8.1 255.255.255.0
    output

    interface vlan 455
    Routing
    IP 10.253.255.2 255.255.255.0
    output

    interface vlan 456
    -Other - or ITU (q)
    Routing
    IP 10.253.11.1 255.255.255.0
    output

    interface vlan 99
    Routing
    IP 10.253.9.1 255.255.255.0
    output

    IP management vlan 203
    dhcp service
    pool IP dhcp "Telefonie.
    Rental 7 0 0
    Server DNS 8.8.8.8 8.8.4.4
    router by default - 10.253.1.1
    Network 10.253.1.0 255.255.255.0
    domain secit.be
    b-node NetBIOS node type
    output

    -Other - or ITU (q)
    pool IP dhcp "guest."
    Rental 0 12 0
    Server DNS 8.8.8.8 8.8.4.4
    router by default - 10.253.2.1
    Network 10.253.2.0 255.255.255.0
    secit domain name - guest.be
    b-node NetBIOS node type
    output

    pool IP dhcp 'media '.
    Rental 0 12 0
    10.253.3.2 DNS Server 8.8.4.4
    router by default - 10.253.7.1
    Network 10.253.7.0 255.255.255.0
    secit domain name - media.be
    b-node NetBIOS node type
    output

    pool IP dhcp "TD."
    Rental 0 14 0
    10.253.3.2 DNS Server 8.8.4.4
    router by default - 10.253.4.1
    Network 10.253.4.0 255.255.255.0
    -Other - or ITU (q)
    secit domain name - td.be
    b-node NetBIOS node type
    output

    pool IP dhcp "internal."
    Rental 7 0 0
    10.253.3.2 DNS server
    router by default - 10.253.0.1
    Network 10.253.0.0 255.255.255.0
    domain fixitsolutions.local
    b-node NetBIOS node type
    output

    output

    Maybe it's the DHCP packet filtering.

    For help, try to add a rule to allow DHCP packets.

    Example: (this is obviously NOT the exact rule to filter only the DHCP packets, but just a simple rule for the test)

    IP access-list Deny_Guest_Intervlan_Routing
    permit udp 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255 eq 67
    permit udp 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255 eq 68
    deny ip 10.253.2.0 0.0.0.255 10.253.0.0 0.0.255.255
    IP 10.253.2.0 allow 0.0.0.255 0.0.0.0 0.0.0.0
    output

    If this ACL works (you can get the DHCP address), then you will need to write the ACL right, something like (this is just an example):

    IP access-list Deny_Guest_Intervlan_Routing
    ! DHCPDISCOVER
    permit udp 0.0.0.0 0.0.0.0 eq 68 255.255.255.255 0.0.0.0 eq 67
    ! DHCPOFFER
    0.0.0.0 eq 67 255.255.255.255 0.0.0.0 eq 68
    ! DHCPINFORM
    permit udp 10.253.2.0 0.0.0.255 eq 68 255.255.255.255 0.0.0.0 eq 67
    ! DHCPACK
    0.0.0.0 eq 68
    permit udp 10.253.2.0 0.0.0.255 eq 67 255.255.255.255 0.0.0.0 eq 68
    ! Internal traffic
    deny ip 10.253.2.0 0.0.0.255 10.253.0.0 0.0.255.255
    ! Internet traffic
    IP 10.253.2.0 allow 0.0.0.255 0.0.0.0 0.0.0.0
    output

  • 2 VLAN ACL with what Miss me

    Thanks for reading.
    
    This topology consists of one 6224 and two 2824 Powerconnect switches.
    
    Right now, we're looking to build two VLANs, routed, sharing a small range of IPs on VLAN 20.
    
    Also want to route out to the interwebz for both nets. Do I need a third vlan for that?
    
     Presumably one for each actual route out I would think.
    
    I've entered the following commands into the 6224.
    
    - -
    
    confvlan databasevlan 10vlan 20exitinterface vlan 10ip address 192.168.1.1 /24ip access-group 'BUSINESS'name SALESroutingexitinterface vlan 20ip address 172.16.1.1 /24ip access-goup 'SALES'name BUSINESSroutingexitip access-list SALES permit ip 192.168.1.0 0.0.0.255 anyip access-list SALES permit ip 172.16.1.0 0.0.0.255 anyip access-list BUSINESS permit ip  172.16.1.204 0.0.0.7 anyip access-list BUSINESS permit ip 192.168.1.0 0.0.0.255 anyinterface range 1/g9-1/g16 ---these are untagged in both Vlan 1 and vlan 10switchport mode access each has a PVID of 1 in both Vlans??switchport access vlan 10exitinterface range 1/g17-1/g24 ---these are untagged in vlan 20switchport mode access PVID of 1 or 20 neither changes anythingswitchport access vlan 20exitip routing
    
    - -
    
    From VLAN 10 on the 6224 , all addresses in VLAN 10 and 20 can be pinged.
    
    From VLAN 20 on the 6224 all addresses in VLAN 10 and 20 can be pinged,
    
    2824-1 is connected via its port 24, (a member of vlan 20 in switchport mode access)
    
    to port 24 on the 6224.
    
    Port 1/g23 on 2824-1 is connected to a host at 172.16.1.240. that host can  ping nothing
    
    beyond 172.16.1.1. But if I plug both the switch uplink and the host to a Cisco 3524xl in factory defaul
    
    I can ping everyhthing on the 172.16.1.0 /24 subnet right across the uplink. I'd like to at the least
    
    get help on what the issue is with the pings from the 2824.
    
    The ACLs aren't actually in play but they are intended as part of the config.
    
    thanks in advance for your help.
    

    I think you're on the right track, leave the configuring ACLs for now. Once we have connectivity, then add them in.

    With the connections between the two switches, we use mode Trunk/general instead of the access mode.

    If the 6224 performs the Routing and connects to your external connection. While the connection must have its own dedicated VLAN. The 6224 also has a static route in place, helping to direct traffic on.

    Here's a post with some info to look over.

    en.Community.Dell.com/.../19506015.aspx

    Keep us updated.

    Thank you

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